battery crank test

French translation: essai de démarrage (sur batterie)

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34 mins confidence: peer agreement (net): +1

test de la batterie au démarrage

Explanation:"Today's conventional battery testing technologies, such as load testers and conductance testers, fail to answer the single most important question about a starting battery: How well is this battery performing the specific job of starting this engine? Conventional conductance methods produce an absolute value that does not indicate how effective the battery is at doing its job or when the battery will stop doing its job. This limitation led to the development of our Crank-Check™ technology, which uses the actual engine starting sequence to evaluate battery performance.

CrankCheck captures the voltage profile of the battery during the starting sequence. Figure 1 (at right) shows a typical voltage profile of a normal, healthy battery during the engine starting sequence. P1 indicates the floating voltage of the battery; P2 shows the point of solenoid engagement; P3 indicates the point of starter motor engagement; P4 shows the engine being cranked by the starter motor followed by the engine start; and P5 refers to the point after the starter motor is disengaged and the battery is starting to be charged by the alternator. "http://www.argusanalyzer.com/index.php?id=60